package chapter03.Example05;
class Student {
    public  Student (){
        System.out.println("调用了无参构造方法");
    }
}
public class Example05 {
    public static void main (String[] args) {
        System.out.println("声明对象...");
        Student stu = null;//声明对象
        System.out.println("实例化对象...");
        stu = new Student();//实例化对象
    }
}
